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38 lines
708 B
Go
38 lines
708 B
Go
package glassnode
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import (
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"context"
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"time"
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"github.com/c9s/bbgo/pkg/glassnode/glassnodeapi"
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)
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type Glassnode struct {
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client *glassnodeapi.RestClient
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}
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func New(apiKey string) *Glassnode {
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client := glassnodeapi.NewRestClient()
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client.Auth(apiKey)
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return &Glassnode{client: client}
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}
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func (g *Glassnode) QueryMarketCapInUSD(ctx context.Context, currency string) (float64, error) {
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req := glassnodeapi.MarketRequest{
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Client: g.client,
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Asset: currency,
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// 25 hours ago
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Since: time.Now().Add(-25 * time.Hour).Unix(),
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Interval: glassnodeapi.Interval24h,
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Metric: "marketcap_usd",
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}
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resp, err := req.Do(ctx)
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if err != nil {
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return 0, err
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}
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return resp.Last().Value, nil
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}
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